Improved mashing-machine



C. W. T. KRAUSCH.

Washing Machine.

No. 44,639. Patented oct. 11, 1864.

UNITED STATES PATENT OFFICE.

C. W. THEO. KRAUSOH, OF ST. LOUIS, MISSOURI.

IMPROVED MASHlNG-MACHINE.

Specification forming part of Letters Patent No. 441,639, dated October Il, 1864.

To all whom it may concern:

Be it known that I, C. W. THEO. KRAUscH, of St. Louis, county of St. Louis, and State of Missouri, have invented an Improved Mashing-Machine; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying' drawings, making a part of this specilication, in which- Figure 1 is a top view of my improved machine. Fig. 2 isa dialnetrical section through the tum showing the apparatus arranged therein. stirrers.

Similar letters of reference indicate correspondin g parts in the several figures.

This invention relates to certain new and useful improvements in machinery for mashingr or infusing malt in the process of preparing corn for brewing and distilling.

My invention consists in acertain novel arrangement of stirrers or mixing devices within the mash-tun,77 and also in a means for supporting and giving motion to said stirrers, as will be hereinafter described.

To enable others skilled in the art to make and use my invention, I will describe its construction and operation.

In the accompanying drawings, A represents a large vessel or tun, which is adapted for holding the mash 7 or malt and water in large quantities. This tube or tun may be made with false or perforated bottom and Figs. 3 and 4 are views of 011e of the otherwise constructed and adapted to the ofice which it is to perform in the process of soaking, mashing, and separating the clear wort from the malt.

B is a step-block, which is secured rigidly in the center ofthe bottom of the tun, and which has affixed to its upper end a horizontal bevel spur-wheel,a. This block forms a step or bearing for the lower end of a vertical shaft, G, which is supported in its upright position by the cross-beam D, or in any other suitable manner. Shaft C carries on its upper end a horizontal spur-wheel, b, which engages with a pinion-wheel that is keyed to a driving-shaft, (not shown,) and by this means this shaft receives a rotary motion.

E represents an arm or bracket, which in- .clines downward toward the sides of the tun, and is then carried directly down, so as to form a bearing for the outer end of a horizontal rotating stirrer-shaft, F, as shown in Fig. 2. This bracket may be cast sepa-rate from the shaft O, and afterward rigidly secured to it, or it may be cast with this shaft as represented in Fig. 2. Said bracket should be made very strong, so as to withstand a a considerable lateral strain. Its lower end should be adapted for receiving the outer `end of the shaft F, and for allowing this shaft to turn freely in its bearings. Shaft F has its inner bearingin a collar-box, c, which is secured to the main shaft C by a set-screw, d, as shown in Fig. 2, in such relation to the outer bearin g of shaftE that this shaft will be ina horizontal plane parallel to thebottom of the tun A. The shaft E is in this manner and by this ar rangement moved round with the Vertical shaft O, and besides this motion the shaft E is rotated about its own axis by means of a pinion bevel-wheel, g, the teeth of which en. gage with the stationary wheel or circular rack a.

Shaft E carries a number of oblique wings, h h, which, when taken collectively, form segments of a spiral fiange arranged around this shaft. These wings have pins i projecting from each side of them, arranged in lines radiating from the axis of the shaft E. The object ofthe armed ianges is to stir the malt and to thoroughly mix it with the water, and the object of giving a twist or screw form to these flanges is to prevent the malt from settling or collecting at the sides of the tun, and at the same time to keep the mash in constant agitation and suspension.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A machine provided with a horizontal rotating shaft, F, having stirring-wings on it, operating substantially as described.

2. The bracket-support E, for the shaft F, in combination with a vertical turning shaft, C, substantial] y as described.

3. The combination of a horizontal shaft, F, for the stirrers, a vertical shaft, C, a bracket, E, circular. rack, a, and pinion spur-wheel, g, arranged and operating substantially as de scribed.

4. The construction of the stirring-wings h l aA lateral motion to the malt during,` the niasliwith teeth, or other equivalent projections, ing process by means substantially as herein substantially as set forth. described.

5. The use oi spiral stirrers applied to a C. NV. THEO. KRAUSGH. horizontal shaft, F, Working Within the tun, Witnesses: substantially as described. G. C. HARTMAN,

6. Elevating and at the same time giving HENRI DoNK. 

